From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75C90C433EF for ; Tue, 18 Jan 2022 02:58:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344677AbiARC6I (ORCPT ); Mon, 17 Jan 2022 21:58:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347704AbiARCmi (ORCPT ); Mon, 17 Jan 2022 21:42:38 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC05CC0613AF; Mon, 17 Jan 2022 18:36:56 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 943C1B81258; Tue, 18 Jan 2022 02:36:55 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B657EC36AEF; Tue, 18 Jan 2022 02:36:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1642473414; bh=0aMDBuj6ZlSu13MWg/s4a1z77NewLu9gY9a/TM7cMwg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=liGtp+wvqGPOL4t5yqHOplr4kNR9pk6WRPSBb8aKHmveXwWLYCfGEHxx4rjwDqF1A WI/0LUsv6dBQTd6LdE3of6Px01dctxxN8xL/hv2ruRM0Il8gBjlUYYk5XEaUh4x/iK Ne0bmgHkHy0jGEGxzFHAaeUMlp/1XT+HweXjfqhXqsjvDqZIHzTSIAQD3T3VOXULXG rVn6TY3zNK5K3R8bskGIH4dVqnUCP6yhx6/ZaBeX8/x6Vm7qsHXOUQPLkKS0iCVcKc zhjGP96FOw9E1ZcmroZrnhNFC3nuAV5hgWEnviyWHZXurGY2sd5pYA+X2UvSnbf3cd oAvF67V1grm2g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Alistair Francis , Benjamin Tissoires , Sasha Levin , jikos@kernel.org, linux-input@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 112/188] HID: quirks: Allow inverting the absolute X/Y values Date: Mon, 17 Jan 2022 21:30:36 -0500 Message-Id: <20220118023152.1948105-112-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220118023152.1948105-1-sashal@kernel.org> References: <20220118023152.1948105-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alistair Francis [ Upstream commit fd8d135b2c5e88662f2729e034913f183455a667 ] Add a HID_QUIRK_X_INVERT/HID_QUIRK_Y_INVERT quirk that can be used to invert the X/Y values. Signed-off-by: Alistair Francis [bentiss: silence checkpatch warning] Signed-off-by: Benjamin Tissoires Link: https://lore.kernel.org/r/20211208124045.61815-2-alistair@alistair23.me Signed-off-by: Sasha Levin --- drivers/hid/hid-input.c | 6 ++++++ include/linux/hid.h | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 55017db98d896..69a0a290327a7 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1330,6 +1330,12 @@ void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct input = field->hidinput->input; + if (usage->type == EV_ABS && + (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || + ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))) { + value = field->logical_maximum - value; + } + if (usage->hat_min < usage->hat_max || usage->hat_dir) { int hat_dir = usage->hat_dir; if (!hat_dir) diff --git a/include/linux/hid.h b/include/linux/hid.h index f453be385bd47..26742ca14609a 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -349,6 +349,8 @@ struct hid_item { /* BIT(9) reserved for backward compatibility, was NO_INIT_INPUT_REPORTS */ #define HID_QUIRK_ALWAYS_POLL BIT(10) #define HID_QUIRK_INPUT_PER_APP BIT(11) +#define HID_QUIRK_X_INVERT BIT(12) +#define HID_QUIRK_Y_INVERT BIT(13) #define HID_QUIRK_SKIP_OUTPUT_REPORTS BIT(16) #define HID_QUIRK_SKIP_OUTPUT_REPORT_ID BIT(17) #define HID_QUIRK_NO_OUTPUT_REPORTS_ON_INTR_EP BIT(18) -- 2.34.1